rculfhash: fix add unique

[urcu.git] / urcu / rculfhash.h

diff --git a/urcu/rculfhash.h b/urcu/rculfhash.h
index ed75431f9864e08b9668e29b86f10496f8110253..bec7776c2fd6f3f2f2eb58c9c058dafd18e2d3f0 100644 (file)
--- a/urcu/rculfhash.h
+++ b/urcu/rculfhash.h
@@ -5,13 +5,13 @@
 #include <urcu-call-rcu.h>
 
 struct rcu_ht_node {
+       /* cache-hot for iteration */
        struct rcu_ht_node *next;
-       void *key;
-       size_t key_len;
-       unsigned long hash;
        unsigned long reverse_hash;
+       void *key;
+       unsigned int key_len;
        unsigned int dummy;
-       void *value;
+       /* cache-cold for iteration */
        struct rcu_head head;
 };
 
@@ -29,11 +29,10 @@ typedef unsigned long (*ht_compare_fct)(void *key1, size_t key1_len,
 
 static inline
 void ht_node_init(struct rcu_ht_node *node, void *key,
-                 size_t key_len, void *value)
+                 size_t key_len)
 {
        node->key = key;
        node->key_len = key_len;
-       node->value = value;
        node->dummy = 0;
 }
 
@@ -48,6 +47,10 @@ struct rcu_ht *ht_new(ht_hash_fct hash_fct,
                                void (*func)(struct rcu_head *head)));
 
 int ht_destroy(struct rcu_ht *ht);
+/* Count the number of nodes in the hash table. Call with rcu_read_lock held. */
+void ht_count_nodes(struct rcu_ht *ht,
+               unsigned long *count,
+               unsigned long *removed);
 
 /* Call with rcu_read_lock held. */
 struct rcu_ht_node *ht_lookup(struct rcu_ht *ht, void *key, size_t key_len);